Home / 38,385.93-52,979.37-28,743.69

Finding the Fourth Proportional to 38,385.93, 52,979.37 and 28,743.69

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Solution

The fourth proportional to 38,385.93, 52,979.37 and 28,743.69 is: 39,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.93 : 52,979.37 = 28,743.69 : x
  2. Step 2: Convert to fraction form
    38,385.93/52,979.37 = 28,743.69/x
  3. Step 3: Cross multiply
    38,385.93x = 52,979.37 × 28,743.69
  4. Step 4: Simplify right side
    38,385.93x = 1,522,822,587.68
  5. Step 5: Solve for x
    x = 1,522,822,587.68/38,385.93
  6. Step 6: Final answer
    x = 39,671.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.